Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0AC56C7EE2D for ; Sat, 25 Feb 2023 10:20:32 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229506AbjBYKUa (ORCPT ); Sat, 25 Feb 2023 05:20:30 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:43658 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229476AbjBYKU2 (ORCPT ); Sat, 25 Feb 2023 05:20:28 -0500 Received: from casper.infradead.org (casper.infradead.org [IPv6:2001:8b0:10b:1236::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id BE0891515A for ; Sat, 25 Feb 2023 02:20:26 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=infradead.org; s=casper.20170209; h=MIME-Version:Content-Type:References: In-Reply-To:Date:Cc:To:From:Subject:Message-ID:Sender:Reply-To: Content-Transfer-Encoding:Content-ID:Content-Description; bh=VTP+UPyX9gq8NaBI0DA44WQYoHYRCVM4DFdVCPQ5Pik=; b=eeCMssC+rfwvQqAE3HHSpF5+lw XzjNRu6trFQ4ygUwIc72UWFRVA1MRYyy/ctnuTd0JuNoVUZGBnJ8esNeZ1Y6sScwl4NDSkjJX82HO H5IRyc8gqmxW/zwRBGvnQbp2igsvXEb2fSLttEgUlpkDhOaRs+Dl7limd27k0GYH6cE0rHNyrVsAn CSZQocSmR+ul5psiPA5LCOngF4KPuaCUoZWbKB6MMUZaRF9f1BOcU9EtmrU1wrUuQauezXp5kC1gg V4cbnNmpQNdS4KzEcj0H374yEmB5KGy+RUpfvqjSvDDQQXds6h15H7tAy9vRlF677aP5lby/xrrYo x7KpPI8A==; Received: from [2001:8b0:10b:5::bb3] (helo=u3832b3a9db3152.ant.amazon.com) by casper.infradead.org with esmtpsa (Exim 4.94.2 #2 (Red Hat Linux)) id 1pVrf7-00G35T-HW; Sat, 25 Feb 2023 10:20:18 +0000 Message-ID: Subject: Re: [External] [PATCH v2 0/5] x86-64: Remove global variables from boot From: David Woodhouse To: Brian Gerst , Usama Arif Cc: linux-kernel@vger.kernel.org, x86@kernel.org, Thomas Gleixner , Borislav Petkov , "H . Peter Anvin" , Peter Zijlstra , Andy Lutomirski , Ingo Molnar Date: Sat, 25 Feb 2023 10:20:16 +0000 In-Reply-To: References: <20230224154235.277350-1-brgerst@gmail.com> Content-Type: multipart/signed; micalg="sha-256"; protocol="application/pkcs7-signature"; boundary="=-O3BYsEpGVrSNDl+GXmQU" User-Agent: Evolution 3.44.4-0ubuntu1 MIME-Version: 1.0 X-SRS-Rewrite: SMTP reverse-path rewritten from by casper.infradead.org. See http://www.infradead.org/rpr.html Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --=-O3BYsEpGVrSNDl+GXmQU Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable On Fri, 2023-02-24 at 16:38 -0500, Brian Gerst wrote: > Removing the globals before the parallel boot series, would be the > best option IMO.=C2=A0 That would make the transition simpler. Looks like this: https://git.infradead.org/users/dwmw2/linux.git/shortlog/refs/heads/paralle= l-6.2-rc8-brfirst Passes basic smoke testing in qemu, including suspend to RAM and offlining CPU0. --=-O3BYsEpGVrSNDl+GXmQU Content-Type: application/pkcs7-signature; name="smime.p7s" Content-Disposition: attachment; filename="smime.p7s" Content-Transfer-Encoding: base64 MIAGCSqGSIb3DQEHAqCAMIACAQExDzANBglghkgBZQMEAgEFADCABgkqhkiG9w0BBwEAAKCCEkQw ggYQMIID+KADAgECAhBNlCwQ1DvglAnFgS06KwZPMA0GCSqGSIb3DQEBDAUAMIGIMQswCQYDVQQG EwJVUzETMBEGA1UECBMKTmV3IEplcnNleTEUMBIGA1UEBxMLSmVyc2V5IENpdHkxHjAcBgNVBAoT FVRoZSBVU0VSVFJVU1QgTmV0d29yazEuMCwGA1UEAxMlVVNFUlRydXN0IFJTQSBDZXJ0aWZpY2F0 aW9uIEF1dGhvcml0eTAeFw0xODExMDIwMDAwMDBaFw0zMDEyMzEyMzU5NTlaMIGWMQswCQYDVQQG EwJHQjEbMBkGA1UECBMSR3JlYXRlciBNYW5jaGVzdGVyMRAwDgYDVQQHEwdTYWxmb3JkMRgwFgYD VQQKEw9TZWN0aWdvIExpbWl0ZWQxPjA8BgNVBAMTNVNlY3RpZ28gUlNBIENsaWVudCBBdXRoZW50 aWNhdGlvbiBhbmQgU2VjdXJlIEVtYWlsIENBMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKC 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